DeltaSolar vs MTT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DeltaSolar
Monitor your solar energy system's performance remotely or onsite. Track energy production, consumption, and export, with historical data for analysis. View grid and solar power voltage, frequency, and amps for comprehensive system insights.
- Remote Wi-Fi access
- Direct onsite connection
- Energy status and analysis
- Production, consumption, export data
- Historical performance data
- Grid and solar voltage/frequency monitoring
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Connect the Delta equipment to the sites Wi-Fi connection for remote access anywhere or connect directly to the inverter onsite using your smart device eliminating the need to have a Wi-Fi internet service. •Full “At a Glance” energy status and analysis •Display of production, consumption, energy bought and energy exported* •Historic data available by day, month or year for comparisons of performance •View grid voltage and frequency as well as the solar power voltage and amps •Easy commission and connect method *Requires the installation of the CT clamp and cable or external power meter. Delta’s P2P (point to point) feature offers the ability to connect your smart device directly to your inverter or battery and receive rapid data update to see your loads and generation as it happens. A new web portal version of the app is also available using your app login details at https://mydeltasolar.deltaww.com.
MTT
This application configures DMX hardware connected to an Arduino R4 via Bluetooth Low Energy. It allows users to set custom threshold levels for 16 GPIO pins on the Arduino, controlling DMX panels.
- BLE connectivity to Arduino R4
- DMX SHIELD communication
- GPIO pin control
- Custom threshold settings
- DMX panel configuration
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The MTT-DMX app connects via BLE to an Arduino R4 and an attached DMX SHIELD with specialized firmware to communicate with a DMX panel. The level thresholds triggers an on/off on one of 16 GPIO the ARDUINO. Custom threshold settings are configured via this APP. The APP is only for configuration of the Arduino/DMX hardware.
Screenshots
Verdict
The clearest difference is review sentiment: MTT at 100% against DeltaSolar's 0%. MTT also leads on rating (5.0 vs 1.0). DeltaSolar's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.6). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MTT holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of DeltaSolar's written reviews are positive against 100% of MTT's.
| Parameter | DeltaSolar | MTT |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 136 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Delta Electronics, Inc. | Model Train Technology LLC |
Customer experience
DeltaSolar
MTT
In-app purchases
DeltaSolar
No in-app purchases
MTT
No in-app purchases









